Dave Roshan is one of the MBA students working with the GPD to find a possible solution for the issue.

Most surprising, Roshan said, is “what basic mistakes they are making,’’ including “[c]arrying their social security cards with them, leaving their checkbooks out in plain sight… They’re very trusting.”

The annual number of mass murders and attempted mass murders in the U.S. has tripled since 2008, to 15 last year, according to statistics that the FBI and Justice Department have been citing in recent weeks.

In a new study posted online by the FBI Law Enforcement Bulletin, experts make the case that "police have, generally, done an excellent job responding to active shooter events quickly."